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From “A Solar Car Primer” in PDF Library:
Friction Drag:
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Where:
CD is the drag coefficient - dimensionless and changes with air flow
AD is the profile area - the area viewed from the front view of an oncoming car
q is the dynamic pressure - the pressure of the relative air speed to the vehicle
Related Concepts:
Yaw Angle - the angle between the orientation of the car and the direction the car is travelling in
How does this affect the drag coefficient? Is taking advantage of yaw angles feasible for MSXV (rear and front tires can both tilt to turn car orientation towards winds to minimize drag?)
Pressure Drag:
Estimating Drag:
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